SDI Nickel Coated Gem Clips are very useful in protecting any important documents such as resumes, certificates, visas, forms, photos, etc.. from tearing while they have to be been pinned. The Gem clips are useful when one needs to club a bunch of papers & documents as they are easy to use and remove. This ensures that the important documents are not destroyed while pinning. Nickel Coated U shape Paper Clips, Used in most offices to Pin up a bunch of papers & documents.